Formation of C60- Encapsulated Double-Walled Carbon Nanotubes with Novel Electrical Transport Properties Based on Plasma Technology

Yongfeng LI; Rikizo HATAKEYAMA; Toshiro KANEKO; Toshiaki KATO; Takeru OKADA

doi:10.1585/pfr.2.017

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Formation of C₆₀- Encapsulated Double-Walled Carbon Nanotubes with Novel Electrical Transport Properties Based on Plasma Technology

Yongfeng LI, Rikizo HATAKEYAMA, Toshiro KANEKO, Toshiaki KATO, Takeru OKADA

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Keywords: C₆₀, encapsulation, double-walled carbon nanotube, plasma ion, negative differential resistance

JOURNAL FREE ACCESS

2007 Volume 2 Pages 017

DOI https://doi.org/10.1585/pfr.2.017

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Abstract

The encapsulation of C₆₀ molecules inside double-walled carbon nanotubes (DWNTs) is realized by means of a plasma ion-irradiation method. Transmission electron microscopy observations confirm that DWNTs have been filled with C₆₀ fullerenes having amorphous morphology. More importantly, electrical transport measurements indicate that C₆₀-encapsulated metallic DWNTs exhibit a novel negative differential resistance behavior.

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